11105212504530 has 32 divisors (see below), whose sum is σ = 26722098837504. Its totient is φ = 2953657909376.

The previous prime is 11105212504523. The next prime is 11105212504627. The reversal of 11105212504530 is 3540521250111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483244059 + ... + 483267038.

It is an arithmetic number, because the mean of its divisors is an integer number (835065588672).

Almost surely, 2^{11105212504530} is an apocalyptic number.

11105212504530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11105212504530 is an abundant number, since it is smaller than the sum of its proper divisors (15616886332974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105212504530 is a wasteful number, since it uses less digits than its factorization.

11105212504530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966511490.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 11105212504530 its reverse (3540521250111), we get a palindrome (14645733754641).

The spelling of 11105212504530 in words is "eleven trillion, one hundred five billion, two hundred twelve million, five hundred four thousand, five hundred thirty".